+ Retro Game Night returns to the Orange County Regional History Center on Friday. Participants can play Battleship, Candy Land, Twister and more. Hours: 7 p.m.-11:59 p.m. for ages 18 and up. Admission is free for history center members, $5 for others. More info: www.thehistorycenter.org or 407-836-7010.

+ And Car Masters Weekend returns at Downtown Disney on Saturday and Sunday. On hand: More than 100 classic, muscle and exotic cars plus lots of "Cars" related elements, including topiaries. Visitors can buy tickets for an all-day "Cars" and "Cars 2" marathon at the AMC Downtown Disney 24 theaters, and there will be guest appearances by auto designer Chip Foose and Disney-Pixar filmmaker Jay Ward. More info: www.disneyworld.com/downtowndisney.

+ As part of Astronomy Month, NASA engineer Richard Johanboeke will speak about the Mars Science Laboratory at the Orlando Science Center at 2 p.m. Saturday. At 3 p.m. on Saturday and Sunday, the science center will have a SunWatch, which is a safe observation of our closest star. More info: www.osc.org or call 407-514-2000.